WowAce

Lists and/or reminds people missing flasks or food buffs at every ready check.

Shows who controls Wintergrasp and the time until the next battle.

Transliterate string

CharScanner scans Basic Character Data, Talent Specifications, Equipment, PvE/PvP Achievements, PvE Boss Kill Statistics and ...

Note + rep tracking for players, with guild data sharing.

Keeps track of people who have recently sent you messages.

Announces ooze kill instructions during the Yor'sajh encounter in Dragon Soul. Highly customizable with numerous helpful feat...

Shows learned recipes of all characters.

Calendar improvements

A seperate focus bar, with focus gain prediction and rotation forecast.

Track any items you want in a tooltip

SmartQueue

OneView

KeyProfiler

Adds a confirmation dialog when crafting Bind-On-Pickup trade skill items

AnalogClock

Keeps tracks of /rolls.

Hitman

Skip the gossip and select the normal NPC action

Toggle addon configuration mode.